Answer:
Yes
Explanation:
Yes, there is the presence of a threat.
This threat is known as instrumentation. There is an Instrumentation threat when changes are made in the instrument, or the changes are made in the researcher, or the scorer when the research is being carried out.
In this question, mrs smith is the one who is the researcher, the program of reinforcement can be called the instrument. She made errors during the first few week but started getting it right in the second week. So there is a slight change in these two weeks. Causing instrumentation threat to how valid the program is.
Answer:
sensorimotor
Explanation:
A famous psychologist named Jean Piaget has given the theory of cognitive development in which he has mentioned four distinct stages including sensorimotor, preoperational, concrete operational, and formal-operational stage.
Sensorimotor stage: This is the first stage in Piaget's cognitive developmental theory, and starts from the birth of the child and lasts through two years of age. In this stage, a child interacts with his or her surrounding by using his or her senses.
The stage is being named as sensorimotor by Piaget because the early manifestations of a child's intelligence start from motor activities and sensory perceptions.
In the question above, Tim's behavior suggests that he is in the sensorimotor stage of cognitive development.
Grizzly bears live in Forrest's they will eat just about anything. They will most likely live in a cave or den.
